[Air-l] wiki tool suggestion?

Can anyone suggest a free wiki tool (space) I can use for my classes next semester? thanks, r -- Radhika Gajjala Associate Professor School of Communication Studies Bowling Green State University Bowling Green, OH 43403 http://personal.bgsu.edu/~radhik ; http://cyberdiva.typepad.com/teach/ http://www.cyberdiva.org _________ or to glance at multiple blogs http://www.cyberdiva.org/cyberdivalive.html